Materials Literature
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Ketoprofen-loaded chitosan was made by modifying poloxamer 188 and also varying time and amplitude of ultrasonication condition. Preliminary tests were carried out by optimizing ultrasonication condition including amplitude and sonication time. Nanoparticles characterization was carried out by using PSA, SEM, FTIR, an…
The welding coarse grained heat affected zones (CGHAZ) of Vanadium-modified (V-mod) 2.25Cr1Mo steel are prone to reheat cracking because of its poor ductility in the temperature range of intermediate stress relief treatment (650∼680 ̊C). Considering the multiple-pass welding procedure of V-mod 2.25Cr1Mo steel, the mic…
In matrix, the precipitates play a key role in adjusting the properties of martensitic transformation for improving the reversible strain of the Fe-Ni-Co-based shape memory alloys. Kinetics of the precipitation transformation during aging at 873 K in Fe-31.88Ni-10.63Co-3.83Ti alloy was characterized by in situ Electri…
The effects of silver nanoparticles (Ag-MMT) incorporated into an alginate-based coating applied to fresh-cut melon (Cucumismelo L.) were assessed on the product shelf life. Different concentrations of Ag-MMT nanoparticles were tested in coated melon that was packaged in an oriented polypropylene-based bag and stored…
An informal community has regularly organized annual conferences in Europe since 2007, on the connection between core commodities like materials and society and societal challenges: they are called SAM (Society and Materials). The approach is trans- and multi-disciplinary. Thus, sociologists, historians, architects, p…
Direct impact Hopkinson pressure bar systems offer many potential advantages over split Hopkinson pressure bars, including access to higher strain rates, higher strains for equivalent striker velocity and system length, lower dispersion and faster achievement of force equilibrium. Currently advantages are gained at a…
This study considers the residual thermal stresses induced by cooling in diamond coated carbides after the chemical vapor deposition process. Finite element analysis and simulation of thermally induced residual stresses was conducted using a transient thermo-mechanical coupled solver. Cutting tool geometry parameters…
Conformation change of the main chain promoted the phase transition of elastin-like peptide-grafted polymer.
The effect of Sn content on the phase constitution and mechanical properties of Ti-6Cr-Sn (mol%) alloy ωas investigated. Both Ti-6Cr-5Sn and Ti-6Cr3Sn alloys were β single phase at room temperature. Though increase in the Sn content to 5% was effective in increasing the ultimate tensile strength and yield stress, it s…
The SiC nanoparticles (NPs) were sonochemically coated with OctaIsobutyl (OI) polyhedral oligomeric silsesquioxane (POSS) to create a compatible interface between particle and thermoset polymer. X‐ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), and X‐ray diffraction (XRD) techniqu…
The structural, micro structural and electric properties have been investigated for lead oxide doped strontium titanate ceramics synthesized via conventional solid state diffusion method which were calcined at 900 0 C for 13hr and sintered at 1000 0 C for 4hrs respectively. The strong relaxation dynamics in loss facto…
A membrane with selective wettability and excellent thermal and chemical stability is required for effective oil-water separation. In this work, a novel TiO 2 nanosheet-anchored carbonnanofibers fabricated by using solvothermal method is presented. The hierarchical TiO 2 micro/nanostructure that grows on the surface o…
Americanae nace como un proyecto conjunto que surge dentro de la Red Europea de Información y Documentación sobre América Latina (REDIAL), y que ha afrontado la Biblioteca de la Agencia Española de Cooperación Internacional para el Desarrollo (AECID). Esta nueva biblioteca virtual hace más accesibles los libros digita…
s Quantum dots are inorganic nanocrystal semiconductors that behave exceptionally well as fluorophores and find ample applications in electronics, chemical and bio-medical researches and mass production. From the last two decades lot of efforts have been employed to invent a newer method for its preparation that will…
In this paper, the results of the experimental investigation on the thermal properties of Nano fluid are presented. The effect of sonication time, settling time and temperature on the thermal conductivity, viscosity and specific heat of zinc oxide (ZnO, 14 nm and 25 nm size) and single walled carbon nanotube (SWCNT, 1…
Carbon nanofibers prominently enhance the formation of α-form crystal poly(butylene adipate) at low temperature and lead to a novel plateau phenomenon of α-form crystal content in their composites through specific CH–π interactions.
This work focuses on the high temperature dielectric and mechanical spectroscopic properties of lead free relaxor Sodium Bismuth Titanate (NBT) ceramics, fabricated by conventional ceramic double sintering method. Systematic measurements of dielectric and mechanical properties have been performed as a function of temp…
In the present study, the crystallization of commercial-grade isotactic polypropylene (iPP) was studied by optical microscopy, scanning electron microscopy (SEM) and wide-angle X-ray diffraction (WAXD). It was found that isothermal crystallization of used iPP at 135 °C leads to the formation of pure α-iPP crystals. Du…
Stable nanoporous structures was fabricated from a self-assembled block copolymer precursor by one-step UV treatment.
Surface engineering and tuning of the optoelectronic properties of wurtzite CdS x Se 1−x nanosheets by ligand exchange.